For those trying to build Devcoin 0.8.9.0, add the following to step 2:
$ sudo apt install zlib1g-dev
Also, the correct command line at step 10 is:
$ qmake USE_UPNP=1 USE_DBUS=1 USE_QRCODE=1 devcoin-qt.pro
For those trying to build Devcoin 0.8.9.0, add the following to step 2:
$ sudo apt install zlib1g-dev
Also, the correct command line at step 10 is:
$ qmake USE_UPNP=1 USE_DBUS=1 USE_QRCODE=1 devcoin-qt.pro